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(a, b, c, d) Patient 2, nodule a: type 2 lesion; all images represent the same region. Portal tracts (arrow) contain numerous arterial cross-sections and bile ducts. There is no ductular reaction. Portal veins are not identified with certainty. a, H&E; b, anti-α-SMA; c, anti-CK7; d, anti-CD34 immunostaining.
